Okla. Stat. tit. 82 § 541.1
The board of directors of any conservancy district or master conservancy district, notwithstanding any other provision of this chapter, and in addition to all other powers conferred by law, hereby is authorized and empowered to enter into any contract or contracts with the duly-constituted authorities of the federal government under and pursuant to the provisions of Act of Congress approved June 17, 1902, 32 Stat. at Large 388, and Acts amendatory thereof and supplementary thereto (43 U.S.C. Sections 371- 611), and is further authorized and empowered to qualify as a "local organization" as defined in the Watershed Protection and Flood Prevention Act, as amended (68 Stat. 666, 70 Stat. 1088), and to cooperate with the Secretary of Agriculture of the United States in carrying out, maintaining, and operating the works of improvement authorized by said Act, for the accomplishment of the purposes of the district, and by such contract or cooperation to enter into such stipulations and undertakings, assume such duties, establish and enforce such regulations, make such conveyances and assignments, establish such tolls, rates, prices, charges, rentals and assessments, and conform to and enforce such regulations of the Department of the Interior, or such regulations, policies and procedures of the Secretary of Agriculture, pursuant to the aforesaid Federal Acts, as to enable said district to secure the benefits of said Federal Acts. The board is hereby further authorized and empowered to negotiate and contract with any other federal or state agency and/or any other public entity in matters relating to waters of the district. For the purpose of such contract or contracts, the board of directors hereby is vested with all powers necessary and requisite to comply with the conditions and requirements of said Federal Legislation, and of regulations promulgated thereunder; and no provision or limitation contained in this Chapter which shall be in conflict with the provisions of such contract or terms of cooperation shall apply to any contracting district, nor shall they impair or limit the power and authority herein conferred. And such contract or terms of cooperation further may provide that they shall remain in force until the district has fully discharged all obligations incurred to the United States or the State of Oklahoma or its agencies thereunder. Providing, however, no contract shall be made conveying the title or use of any waters of the State of Oklahoma to any person, firm, corporation or other state or subdivision of government, for sale or use in any other state, unless such contract be specifically authorized by an act of the Oklahoma Legislature and thereafter as approved by it.
Okla. Stat. tit. 82, § 541.1